Description
Pilot Clamp Kit with Patented Quick-Change Hole Saw Guides for Pipe Up to 4"
The Holemaster pilot clamp hole saw kit clamps onto pipe up to 4 inches in diameter and holds the hole saw straight against the surface, so every hole comes out clean and round. Four built-in bubble levels confirm alignment before each cut, and patented quick-change guides snap in and out for six hole sizes from 1" to 2" without tools. The clamp locks on with vise-grip handles, leaving both hands free to run the drill. No drill press needed. Works with any standard, cordless, or right-angle drill. Kit weight is 12.2 lbs.
What's Included in This Pilot Clamp Hole Saw Kit
- 1 Holemaster pilot clamp with guide head and four leveling vials
- 6 bi-metal hole saws with interchangeable hole saw guides: 1", 1-3/16", 1-1/4", 1-1/2", 1-3/4", 2"
- 2 arbors
- 2 pilot bits
- 2 replacement leveling vials
- 1 heavy-duty carrying case
Key Features and Benefits
- Patented quick-change hole saw guides. Each guide snaps in and out of the clamp head without tools, so switching between hole sizes takes seconds on the job site.
- Four built-in leveling vials. Two vials on each axis confirm the drill is square to the pipe before cutting, whether the pipe runs horizontal, vertical, or at an angle.
- Locking vise-grip handles. The jaw clamps onto pipe from the outside and locks in place, leaving both hands free to operate the drill.
- Six hole sizes from 1" to 2". Covers the most common branch connection sizes for mechanical tees, weld-o-lets, and threaded outlets in pipe up to 4 inches.
- Spare consumables included. Two extra pilot bits and two replacement leveling vials ship with the kit, so worn parts don't shut down the job.
- Works with any drill. Standard corded, cordless, or right-angle drills all fit the hole saw guide head. No proprietary spindle or adapter required.
The Holemaster hole drilling tool ships ready to use out of the box, from the hole saws and arbors to the spare pilot bits and carrying case.
Specifications
| Specification | Detail |
|---|---|
| Part Number | 99250 |
| Maximum Hole Size | 2" |
| Maximum Pipe Diameter | 4" |
| Included Hole Saw Sizes | 1", 1-3/16", 1-1/4", 1-1/2", 1-3/4", 2" |
| Number of Hole Saws | 6 bi-metal with interchangeable guides |
| Arbors | 2 included |
| Pilot Bits | 2 included (plus 2 replacements) |
| Leveling Vials | 4 built-in (plus 2 replacements) |
| Hole Saw Guide Patent | US Patent D947,639 |
| Kit Weight | 12.2 lbs |
| Carrying Case | Included |
| Drill Compatibility | Standard corded, cordless, or right-angle drills |
| Pipe Materials | Steel, stainless steel, copper |
Applications
- Drilling holes in fire sprinkler pipe for mechanical tees and branch connections
- Waterflow detector and tamper switch installations on wet and dry sprinkler systems
- Weld-o-let and threaded outlet connections on steel piping
- HVAC hydronic piping for chilled water and heating branch lines
- Municipal water line tapping and service connections
- Plumbing rough-in on copper and steel drain, waste, and vent systems
The Holemaster pilot clamp is standard equipment among fire sprinkler tools and sees regular use wherever pipefitters need to cut accurate branch connection holes. Learning how to use a pilot clamp takes minutes: lock the jaw, level the head, and drill. As a pipe hole cutter, it handles the same range of work as competing kits at a lower entry cost.
Contractors comparing the best pilot clamp for fire sprinkler pipe should weigh hole range, kit contents, and total price per kit.
Buy Your Pilot Clamp Hole Saw Kit Online from Cleanflow
Cleanflow Utility Supply Company is an authorized supplier of pipe tools and fire sprinkler tools serving customers across Canada and the United States. Free shipping on orders over $199, with a 30-day return policy.
Browse our full selection of general pipe working tools and Lyncar products, or email info@cleanflow.ca for questions about the Holemaster pilot clamp kit or any pipe hole cutter in our catalog.
Frequently Asked Questions
What is a pilot clamp?
A pilot clamp is a locking hole saw guide that clamps onto pipe and holds the drill straight for clean, round holes. It replaces freehand drilling, which typically produces oval or angled cuts that cause leaky branch connections on mechanical tees and weld-o-lets.
How do you use a pilot clamp to drill a hole in pipe?
Lock the vise-grip jaw onto the pipe, snap in the correct hole saw guide for your connection size, check all four bubble levels, and drill straight through. The guide holds the hole saw square to the pipe surface through the entire cut.
Can a pilot clamp replace a drill press for pipe work?
On the job site, yes. In any pilot clamp vs. drill press comparison, the clamp wins wherever pipe is already installed. A drill press handles loose pipe in a shop but cannot reach overhead runs, tight mechanical rooms, or vertical risers.
What size holes can a pilot clamp drill?
This pilot clamp hole saw kit cuts holes from 1" to 2" in pipe up to 4" in diameter. Those sizes cover most mechanical tee, weld-o-let, and threaded outlet connections in fire sprinkler and plumbing work.
What makes the Holemaster pilot clamp different from other pilot clamps?
Patented quick-change hole saw guides snap in and out without tools, four leveling vials (instead of the typical two) keep the drill straight from every angle, and spare pilot bits and replacement vials ship with the kit. This Holemaster hole drilling tool weighs 12.2 lbs complete.
Similar Products
Featured collection
